Trzeciak, Przemysław. 2009. “Ivabradine ? Is It ?beautiful? Drug for Patients With Coronary Artery Disease and Left Ventricular Dysfunction? BEAUTIFUL Study”. Medycyna Faktow (J EBM) 2 (1(2), 17-23. https://www.journalsmededu.pl/index.php/jebm/article/view/2677.